New upstream version 17.11-rc3

Change-Id: I6a5baa40612fe0c20f30b5fa773a6cbbac63a685
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>

1 files changed, 8 insertions, 375 deletions

diff --git a/drivers/net/mlx5/mlx5_rxmode.c b/drivers/net/mlx5/mlx5_rxmode.c
index a67e5426..0ef2cdf0 100644
--- a/drivers/net/mlx5/mlx5_rxmode.c
+++ b/drivers/net/mlx5/mlx5_rxmode.c
@@ -45,343 +45,12 @@
 #pragma GCC diagnostic error "-Wpedantic"
 #endif
 
-/* DPDK headers don't like -pedantic. */
-#ifdef PEDANTIC
-#pragma GCC diagnostic ignored "-Wpedantic"
-#endif
 #include <rte_ethdev.h>
-#ifdef PEDANTIC
-#pragma GCC diagnostic error "-Wpedantic"
-#endif
 
 #include "mlx5.h"
 #include "mlx5_rxtx.h"
 #include "mlx5_utils.h"
 
-/* Initialization data for special flows. */
-static const struct special_flow_init special_flow_init[] = {
-	[HASH_RXQ_FLOW_TYPE_PROMISC] = {
-		.dst_mac_val = "\x00\x00\x00\x00\x00\x00",
-		.dst_mac_mask = "\x00\x00\x00\x00\x00\x00",
-		.hash_types =
-			1 << HASH_RXQ_TCPV4 |
-			1 << HASH_RXQ_UDPV4 |
-			1 << HASH_RXQ_IPV4 |
-			1 << HASH_RXQ_TCPV6 |
-			1 << HASH_RXQ_UDPV6 |
-			1 << HASH_RXQ_IPV6 |
-			1 << HASH_RXQ_ETH |
-			0,
-		.per_vlan = 0,
-	},
-	[HASH_RXQ_FLOW_TYPE_ALLMULTI] = {
-		.dst_mac_val = "\x01\x00\x00\x00\x00\x00",
-		.dst_mac_mask = "\x01\x00\x00\x00\x00\x00",
-		.hash_types =
-			1 << HASH_RXQ_UDPV4 |
-			1 << HASH_RXQ_IPV4 |
-			1 << HASH_RXQ_UDPV6 |
-			1 << HASH_RXQ_IPV6 |
-			1 << HASH_RXQ_ETH |
-			0,
-		.per_vlan = 0,
-	},
-	[HASH_RXQ_FLOW_TYPE_BROADCAST] = {
-		.dst_mac_val = "\xff\xff\xff\xff\xff\xff",
-		.dst_mac_mask = "\xff\xff\xff\xff\xff\xff",
-		.hash_types =
-			1 << HASH_RXQ_UDPV4 |
-			1 << HASH_RXQ_IPV4 |
-			1 << HASH_RXQ_UDPV6 |
-			1 << HASH_RXQ_IPV6 |
-			1 << HASH_RXQ_ETH |
-			0,
-		.per_vlan = 1,
-	},
-	[HASH_RXQ_FLOW_TYPE_IPV6MULTI] = {
-		.dst_mac_val = "\x33\x33\x00\x00\x00\x00",
-		.dst_mac_mask = "\xff\xff\x00\x00\x00\x00",
-		.hash_types =
-			1 << HASH_RXQ_UDPV6 |
-			1 << HASH_RXQ_IPV6 |
-			1 << HASH_RXQ_ETH |
-			0,
-		.per_vlan = 1,
-	},
-};
-
-/**
- * Enable a special flow in a hash RX queue for a given VLAN index.
- *
- * @param hash_rxq
- *   Pointer to hash RX queue structure.
- * @param flow_type
- *   Special flow type.
- * @param vlan_index
- *   VLAN index to use.
- *
- * @return
- *   0 on success, errno value on failure.
- */
-static int
-hash_rxq_special_flow_enable_vlan(struct hash_rxq *hash_rxq,
-				  enum hash_rxq_flow_type flow_type,
-				  unsigned int vlan_index)
-{
-	struct priv *priv = hash_rxq->priv;
-	struct ibv_exp_flow *flow;
-	FLOW_ATTR_SPEC_ETH(data, priv_flow_attr(priv, NULL, 0, hash_rxq->type));
-	struct ibv_exp_flow_attr *attr = &data->attr;
-	struct ibv_exp_flow_spec_eth *spec = &data->spec;
-	const uint8_t *mac;
-	const uint8_t *mask;
-	unsigned int vlan_enabled = (priv->vlan_filter_n &&
-				     special_flow_init[flow_type].per_vlan);
-	unsigned int vlan_id = priv->vlan_filter[vlan_index];
-
-	/* Check if flow is relevant for this hash_rxq. */
-	if (!(special_flow_init[flow_type].hash_types & (1 << hash_rxq->type)))
-		return 0;
-	/* Check if flow already exists. */
-	if (hash_rxq->special_flow[flow_type][vlan_index] != NULL)
-		return 0;
-
-	/*
-	 * No padding must be inserted by the compiler between attr and spec.
-	 * This layout is expected by libibverbs.
-	 */
-	assert(((uint8_t *)attr + sizeof(*attr)) == (uint8_t *)spec);
-	priv_flow_attr(priv, attr, sizeof(data), hash_rxq->type);
-	/* The first specification must be Ethernet. */
-	assert(spec->type == IBV_EXP_FLOW_SPEC_ETH);
-	assert(spec->size == sizeof(*spec));
-
-	mac = special_flow_init[flow_type].dst_mac_val;
-	mask = special_flow_init[flow_type].dst_mac_mask;
-	*spec = (struct ibv_exp_flow_spec_eth){
-		.type = IBV_EXP_FLOW_SPEC_ETH,
-		.size = sizeof(*spec),
-		.val = {
-			.dst_mac = {
-				mac[0], mac[1], mac[2],
-				mac[3], mac[4], mac[5],
-			},
-			.vlan_tag = (vlan_enabled ? htons(vlan_id) : 0),
-		},
-		.mask = {
-			.dst_mac = {
-				mask[0], mask[1], mask[2],
-				mask[3], mask[4], mask[5],
-			},
-			.vlan_tag = (vlan_enabled ? htons(0xfff) : 0),
-		},
-	};
-
-	errno = 0;
-	flow = ibv_exp_create_flow(hash_rxq->qp, attr);
-	if (flow == NULL) {
-		/* It's not clear whether errno is always set in this case. */
-		ERROR("%p: flow configuration failed, errno=%d: %s",
-		      (void *)hash_rxq, errno,
-		      (errno ? strerror(errno) : "Unknown error"));
-		if (errno)
-			return errno;
-		return EINVAL;
-	}
-	hash_rxq->special_flow[flow_type][vlan_index] = flow;
-	DEBUG("%p: special flow %s (index %d) VLAN %u (index %u) enabled",
-	      (void *)hash_rxq, hash_rxq_flow_type_str(flow_type), flow_type,
-	      vlan_id, vlan_index);
-	return 0;
-}
-
-/**
- * Disable a special flow in a hash RX queue for a given VLAN index.
- *
- * @param hash_rxq
- *   Pointer to hash RX queue structure.
- * @param flow_type
- *   Special flow type.
- * @param vlan_index
- *   VLAN index to use.
- */
-static void
-hash_rxq_special_flow_disable_vlan(struct hash_rxq *hash_rxq,
-				   enum hash_rxq_flow_type flow_type,
-				   unsigned int vlan_index)
-{
-	struct ibv_exp_flow *flow =
-		hash_rxq->special_flow[flow_type][vlan_index];
-
-	if (flow == NULL)
-		return;
-	claim_zero(ibv_exp_destroy_flow(flow));
-	hash_rxq->special_flow[flow_type][vlan_index] = NULL;
-	DEBUG("%p: special flow %s (index %d) VLAN %u (index %u) disabled",
-	      (void *)hash_rxq, hash_rxq_flow_type_str(flow_type), flow_type,
-	      hash_rxq->priv->vlan_filter[vlan_index], vlan_index);
-}
-
-/**
- * Enable a special flow in a hash RX queue.
- *
- * @param hash_rxq
- *   Pointer to hash RX queue structure.
- * @param flow_type
- *   Special flow type.
- * @param vlan_index
- *   VLAN index to use.
- *
- * @return
- *   0 on success, errno value on failure.
- */
-static int
-hash_rxq_special_flow_enable(struct hash_rxq *hash_rxq,
-			     enum hash_rxq_flow_type flow_type)
-{
-	struct priv *priv = hash_rxq->priv;
-	unsigned int i = 0;
-	int ret;
-
-	assert((unsigned int)flow_type < RTE_DIM(hash_rxq->special_flow));
-	assert(RTE_DIM(hash_rxq->special_flow[flow_type]) ==
-	       RTE_DIM(priv->vlan_filter));
-	/* Add a special flow for each VLAN filter when relevant. */
-	do {
-		ret = hash_rxq_special_flow_enable_vlan(hash_rxq, flow_type, i);
-		if (ret) {
-			/* Failure, rollback. */
-			while (i != 0)
-				hash_rxq_special_flow_disable_vlan(hash_rxq,
-								   flow_type,
-								   --i);
-			return ret;
-		}
-	} while (special_flow_init[flow_type].per_vlan &&
-		 ++i < priv->vlan_filter_n);
-	return 0;
-}
-
-/**
- * Disable a special flow in a hash RX queue.
- *
- * @param hash_rxq
- *   Pointer to hash RX queue structure.
- * @param flow_type
- *   Special flow type.
- */
-static void
-hash_rxq_special_flow_disable(struct hash_rxq *hash_rxq,
-			      enum hash_rxq_flow_type flow_type)
-{
-	unsigned int i;
-
-	assert((unsigned int)flow_type < RTE_DIM(hash_rxq->special_flow));
-	for (i = 0; (i != RTE_DIM(hash_rxq->special_flow[flow_type])); ++i)
-		hash_rxq_special_flow_disable_vlan(hash_rxq, flow_type, i);
-}
-
-/**
- * Enable a special flow in all hash RX queues.
- *
- * @param priv
- *   Private structure.
- * @param flow_type
- *   Special flow type.
- *
- * @return
- *   0 on success, errno value on failure.
- */
-int
-priv_special_flow_enable(struct priv *priv, enum hash_rxq_flow_type flow_type)
-{
-	unsigned int i;
-
-	if (!priv_allow_flow_type(priv, flow_type))
-		return 0;
-	for (i = 0; (i != priv->hash_rxqs_n); ++i) {
-		struct hash_rxq *hash_rxq = &(*priv->hash_rxqs)[i];
-		int ret;
-
-		ret = hash_rxq_special_flow_enable(hash_rxq, flow_type);
-		if (!ret)
-			continue;
-		/* Failure, rollback. */
-		while (i != 0) {
-			hash_rxq = &(*priv->hash_rxqs)[--i];
-			hash_rxq_special_flow_disable(hash_rxq, flow_type);
-		}
-		return ret;
-	}
-	return 0;
-}
-
-/**
- * Disable a special flow in all hash RX queues.
- *
- * @param priv
- *   Private structure.
- * @param flow_type
- *   Special flow type.
- */
-void
-priv_special_flow_disable(struct priv *priv, enum hash_rxq_flow_type flow_type)
-{
-	unsigned int i;
-
-	for (i = 0; (i != priv->hash_rxqs_n); ++i) {
-		struct hash_rxq *hash_rxq = &(*priv->hash_rxqs)[i];
-
-		hash_rxq_special_flow_disable(hash_rxq, flow_type);
-	}
-}
-
-/**
- * Enable all special flows in all hash RX queues.
- *
- * @param priv
- *   Private structure.
- */
-int
-priv_special_flow_enable_all(struct priv *priv)
-{
-	enum hash_rxq_flow_type flow_type;
-
-	if (priv->isolated)
-		return 0;
-	for (flow_type = HASH_RXQ_FLOW_TYPE_PROMISC;
-			flow_type != HASH_RXQ_FLOW_TYPE_MAC;
-			++flow_type) {
-		int ret;
-
-		ret = priv_special_flow_enable(priv, flow_type);
-		if (!ret)
-			continue;
-		/* Failure, rollback. */
-		while (flow_type)
-			priv_special_flow_disable(priv, --flow_type);
-		return ret;
-	}
-	return 0;
-}
-
-/**
- * Disable all special flows in all hash RX queues.
- *
- * @param priv
- *   Private structure.
- */
-void
-priv_special_flow_disable_all(struct priv *priv)
-{
-	enum hash_rxq_flow_type flow_type;
-
-	for (flow_type = HASH_RXQ_FLOW_TYPE_PROMISC;
-			flow_type != HASH_RXQ_FLOW_TYPE_MAC;
-			++flow_type)
-		priv_special_flow_disable(priv, flow_type);
-}
-
 /**
  * DPDK callback to enable promiscuous mode.
  *
@@ -391,19 +60,10 @@ priv_special_flow_disable_all(struct priv *priv)
 void
 mlx5_promiscuous_enable(struct rte_eth_dev *dev)
 {
-	struct priv *priv = dev->data->dev_private;
-	int ret;
-
 	if (mlx5_is_secondary())
 		return;
-
-	priv_lock(priv);
-	priv->promisc_req = 1;
-	ret = priv_rehash_flows(priv);
-	if (ret)
-		ERROR("error while enabling promiscuous mode: %s",
-		      strerror(ret));
-	priv_unlock(priv);
+	dev->data->promiscuous = 1;
+	mlx5_traffic_restart(dev);
 }
 
 /**
@@ -415,19 +75,10 @@ mlx5_promiscuous_enable(struct rte_eth_dev *dev)
 void
 mlx5_promiscuous_disable(struct rte_eth_dev *dev)
 {
-	struct priv *priv = dev->data->dev_private;
-	int ret;
-
 	if (mlx5_is_secondary())
 		return;
-
-	priv_lock(priv);
-	priv->promisc_req = 0;
-	ret = priv_rehash_flows(priv);
-	if (ret)
-		ERROR("error while disabling promiscuous mode: %s",
-		      strerror(ret));
-	priv_unlock(priv);
+	dev->data->promiscuous = 0;
+	mlx5_traffic_restart(dev);
 }
 
 /**
@@ -439,19 +90,10 @@ mlx5_promiscuous_disable(struct rte_eth_dev *dev)
 void
 mlx5_allmulticast_enable(struct rte_eth_dev *dev)
 {
-	struct priv *priv = dev->data->dev_private;
-	int ret;
-
 	if (mlx5_is_secondary())
 		return;
-
-	priv_lock(priv);
-	priv->allmulti_req = 1;
-	ret = priv_rehash_flows(priv);
-	if (ret)
-		ERROR("error while enabling allmulticast mode: %s",
-		      strerror(ret));
-	priv_unlock(priv);
+	dev->data->all_multicast = 1;
+	mlx5_traffic_restart(dev);
 }
 
 /**
@@ -463,17 +105,8 @@ mlx5_allmulticast_enable(struct rte_eth_dev *dev)
 void
 mlx5_allmulticast_disable(struct rte_eth_dev *dev)
 {
-	struct priv *priv = dev->data->dev_private;
-	int ret;
-
 	if (mlx5_is_secondary())
 		return;
-
-	priv_lock(priv);
-	priv->allmulti_req = 0;
-	ret = priv_rehash_flows(priv);
-	if (ret)
-		ERROR("error while disabling allmulticast mode: %s",
-		      strerror(ret));
-	priv_unlock(priv);
+	dev->data->all_multicast = 0;
+	mlx5_traffic_restart(dev);
 }